Qinghai rhubarb also named Shengjun and it is growth at the headstream of Sanjiangyuan over2800-4400 meters,The rhubarb is pure natural and without contamination.Early in BC114year.Chinese Rhubarb had exported to every place of the world through India and Persia and hasmore than two thousand years history.Compendium of Materia Medica record that rhubarb has the function of dispel heat and detosication,clean up intestines and stomach,weed out the old and bring forth the new,through water valley,adjust king and dissolve food and calm the internal organs.